About BIN 540309
The Bank Identification Number 540309 identifies cards issued by Citibank, N.A. on the Mastercard network in United States. Cards in this range are credit cards. Card numbers starting with these digits are routed to the issuing institution during payment authorization.
A BIN (Bank Identification Number) - also called an IIN (Issuer Identification Number) - is the first 6-8 digits of a payment card. It reveals the card network, issuer, country, and funding type, but never identifies an individual cardholder or account.
Frequently Asked Questions
What bank issued BIN 540309?
BIN 540309 is issued by Citibank, N.A. in United States.
What card network does BIN 540309 belong to?
BIN 540309 belongs to the Mastercard network and is a credit card.
Is it safe to look up BIN 540309?
Yes. BIN data covers only the first 6-8 digits of a card and is public industry information used by merchants and payment processors. It cannot identify any individual card or cardholder.